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Finding the Third Proportional to 18,285,068 and 39,321,976

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Solution

The third proportional to 18,285,068 and 39,321,976 is: 84,561,774.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,068 : 39,321,976 = 39,321,976 : x
  2. Step 2: Convert to fraction form
    18,285,068/39,321,976 = 39,321,976/x
  3. Step 3: Cross multiply
    18,285,068x = 39,321,976 × 39,321,976
  4. Step 4: Simplify right side
    18,285,068x = 1,546,217,796,544,576
  5. Step 5: Solve for x
    x = 1,546,217,796,544,576/18,285,068
  6. Step 6: Final answer
    x = 84,561,774.48

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.